CEN/TS 14826:2004

This document:- specifies a methodology for the measurement of defined print quality attributes of Digital Postage Marks in the  form of two-dimensional bar code symbols on mail-pieces, - defines methods for grading the results of these measurements and deriving an overall symbol quality grade as a guide to estimating the readability of the Digital Postage Marks, - provides guidelines for printing and gives information on possible causes of deviation from high grades to assist users in taking appropriate corrective action, - defines a test procedure for the assessment of printing systems for the production of Digital Postage Marks.